Claude Sonnet 4.6 vs SWE-1.7
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Claude Sonnet 4.6 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Claude Sonnet 4.6
77
SWE-1.7
75
Verified leaderboard positions: Claude Sonnet 4.6 #15 · SWE-1.7 unranked
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. SWE-1.7 only becomes the better choice if agentic is the priority or you need the larger 256K context window.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Claude Sonnet 4.6 | Δ | SWE-1.7 |
|---|---|---|---|
| Agentic | 65.2 | → 16.3 | 81.5 |
| Coding | 69.1 | — | — |
| Knowledge | 66.2 | — | — |
| Multimodal | 77.4 | — | — |
Operational Comparison
Claude Sonnet 4.6
SWE-1.7
$3 / $15
N/A
44 t/s
N/A
1.48s
N/A
200K
256K
Quick Verdict
Pick Claude Sonnet 4.6 if you want the stronger benchmark profile. SWE-1.7 only becomes the better choice if agentic is the priority or you need the larger 256K context window.
Claude Sonnet 4.6 has the cleaner provisional overall profile here, landing at 77 versus 75. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
SWE-1.7 is the reasoning model in the pair, while Claude Sonnet 4.6 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. SWE-1.7 gives you the larger context window at 256K, compared with 200K for Claude Sonnet 4.6.
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Claude Sonnet 4.6 or SWE-1.7?
Claude Sonnet 4.6 is ahead on BenchLM's provisional leaderboard, 77 to 75. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 59.1% and 81.5%.
Which is better for agentic tasks, Claude Sonnet 4.6 or SWE-1.7?
SWE-1.7 has the edge for agentic tasks in this comparison, averaging 81.5 versus 65.2. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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